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Caenorhabditis elegans

ABSTRACT: 5'-monophosphate-dependent small RNA sequencing from ego-1(om84) and control adult C. elegans hermaphrodites

PROVIDER: PRJNA142209 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR097495.fastq.gz	Fastqsanger.gz
	SRR097496.fastq.gz	Fastqsanger.gz
	SRR097497.fastq.gz	Fastqsanger.gz
	SRR097498.fastq.gz	Fastqsanger.gz
	SRR097499.fastq.gz	Fastqsanger.gz

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5'-monophosphate-dependent small RNA sequencing from ego-1(om84) and control adult C. elegans hermaphrodites

Project description:Cellular RdRPs play a critical role in the development of many organisms. Using high-throughput small RNA and messenger RNA sequencing we found that the Caenorhabditis elegans RdRP, EGO-1, is required to produce small RNAs antisense to a number of germline-expressed genes through several developmental stages. We found that these genes fall into distinct classes including genes required for kinetochore and nuclear pore assembly, as well as the production of histone-modifying and centromeric proteins. We also found several RNAi-related genes to be targets of EGO-1. Finally, we show a strong correlation between the loss of small RNAs and the rise of mRNA levels in ego-1 mutant animals. 5'-monophosphate-dependent small RNA sequencing from ego-1(om84) and control adult C. elegans hermaphrodites

2011-06-01 | E-GEOD-26580 | biostudies-arrayexpress

Caenorhabditis elegans

Project description:5'-monophosphate-independent small RNA sequencing from ego-1(om84) and control L3, L4, and adult C. elegans hermaphrodites

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5'-monophosphate-independent small RNA sequencing from ego-1(om84) and control L3, L4, and adult C. elegans hermaphrodites

Project description:Cellular RdRPs play a critical role in the development of many organisms. Using high-throughput small RNA and messenger RNA sequencing we found that the Caenorhabditis elegans RdRP, EGO-1, is required to produce small RNAs antisense to a number of germline-expressed genes through several developmental stages. We found that these genes fall into distinct classes including genes required for kinetochore and nuclear pore assembly, as well as the production of histone-modifying and centromeric proteins. We also found several RNAi-related genes to be targets of EGO-1. Finally, we show a strong correlation between the loss of small RNAs and the rise of mRNA levels in ego-1 mutant animals. 5'-monophosphate-independent small RNA sequencing from ego-1(om84) and control L3, L4, and adult C. elegans hermaphrodites

2011-06-01 | E-GEOD-26581 | biostudies-arrayexpress

Caenorhabditis elegans

Project description:mRNA sequencing from ego-1(om84) and control L3, L4, and adult C. elegans hermaphrodites

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mRNA sequencing from ego-1(om84) and control L3, L4, and adult C. elegans hermaphrodites

Project description:Cellular RdRPs play a critical role in the development of many organisms. Using high-throughput small RNA and messenger RNA sequencing we found that the Caenorhabditis elegans RdRP, EGO-1, is required to produce small RNAs antisense to a number of germline-expressed genes through several developmental stages. We found that these genes fall into distinct classes including genes required for kinetochore and nuclear pore assembly, as well as the production of histone-modifying and centromeric proteins. We also found several RNAi-related genes to be targets of EGO-1. Finally, we show a strong correlation between the loss of small RNAs and the rise of mRNA levels in ego-1 mutant animals. mRNA sequencing from ego-1(om84) and control L3, L4, and adult C. elegans hermaphrodites

2011-06-01 | E-GEOD-26579 | biostudies-arrayexpress

High-throughput sequencing of small RNAs from Caenorhabditis elegans

Project description:High-throughput sequencing of mixed-stage Caenorhabditis elegans small RNAs. total RNA, ~18-26nt RNAs isolated using PAGE, ligation to adapters requires 5' monophosphate and 3' OH Keywords: high-throughput 454 sequencing

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Changes in expression of microRNAs during C. elegans development

Project description:Recent work has shown that small non-coding RNAs, including miRNAs, serve an important role in controlling gene expression during development and disease. However, little detailed information exists concerning the relative expression patterns of small RNAs during development of C. elegans. Here we use recent advances in high-throughput sequencing technology to show that expression of non-coding small RNAs, including miRNAs, changes dynamically during development and in the different sexes of C. elegans; approximately 16% of known miRNAs changed over 10 fold in expression during C. elegans development and about 12% of miRNAs showed major changes in expression between males and hermaphrodites of C. elegans. These results should lead to a better understanding of the expression and function of small RNAs in C. elegans development. For data usage terms and conditions, please refer to http://www.genome.gov/27528022 and http://www.genome.gov/Pages/Research/ENCODE/ENCODEDataReleasePolicyFinal2008.pdf Examination of small RNA expression in six different developmental stages of hermaphrodites (Embryo, mid-L1, mid-L2, mid-L3, mid-L4, young adult), and young adult males (dpy-28;him-8) and spermatogenesis-defective young adult hermaphrodites (spe-9). The number of sequence reads for miRNA was assessed from the raw sequence data from Solexa sequencing using perfect sequence matching to known miRNAs (miRBase Release 11.0).

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Caenorhabditis elegans

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Comparison of transcriptomes of N2 and fog-2(q71) mutant Caenorhabditis elegans

Project description:In this experiment, steady-state mRNA levels were determined for replicated samples of N2 (wild-type reference) and fog-2(q71) homozygous mutant C. elegans. All samples were adult XX animals, which for N2 are self-fertile hermaphrodites and for fog-2(q71) spermless hermaphrodites, i.e. true females. For the fog-2 mutant animals, only those that had mated with males, and were thus gravid, were picked for RNA isolation. This ensures that all comparisons are between similar, embryo-containing animals. The experiment was motivated by the role of FOG-2 in post-transcriptional control of gene expression in germ cells, inferred from its the germline-specific phenotype of its loss and from its physical associated with the GLD-1 RNA-binding protein. Specifically, a possible role for FOG-2 in influencing mRNA stability was addressed.

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